28423775327 has 2 divisors, whose sum is σ = 28423775328. Its totient is φ = 28423775326.

The previous prime is 28423775203. The next prime is 28423775377. The reversal of 28423775327 is 72357732482.

It is an a-pointer prime, because the next prime (28423775377) can be obtained adding 28423775327 to its sum of digits (50).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28423775327 - 2¹⁰ = 28423774303 is a prime.

It is a super-2 number, since 2×28423775327² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28423775377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14211887663 + 14211887664.

It is an arithmetic number, because the mean of its divisors is an integer number (14211887664).

Almost surely, 2^28423775327 is an apocalyptic number.

28423775327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28423775327 is an equidigital number, since it uses as much as digits as its factorization.

28423775327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3951360, while the sum is 50.

The spelling of 28423775327 in words is "twenty-eight billion, four hundred twenty-three million, seven hundred seventy-five thousand, three hundred twenty-seven".